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A digital transformation roadmap for a traditional bank

A long-established bank used a phased programme to modernise its core platform and compete with digital-first rivals.

3-year
phased programme to a cloud-native platform

At a glance

Client
A traditional commercial bankName withheld for confidentiality
Focus area
Digital Transformation
Service
Consulting
Scope
Strategy, target architecture and programme leadership

The challenge

The bank's products and processes were built around branches and a decades-old core system. Fintech challengers launched features in weeks; the bank needed months for even small changes.

Leadership knew it had to change but faced competing proposals, unclear priorities and a real fear of disrupting customers during a large technology change.

Our approach

  1. Assess the starting point

    We reviewed systems, skills, costs and customer journeys to establish a clear baseline.

  2. Define the target platform

    Together with leadership we set a cloud-native target architecture and the business outcomes it must deliver.

  3. Sequence the change

    The programme was split into phases that each deliver visible value while reducing risk.

  4. Govern delivery

    We set up programme governance, vendor management and progress reporting to the board.

The solution

The bank now follows a three-year roadmap that moves customer-facing services onto a modern, cloud-native platform step by step, without a risky big-bang switchover.

Each phase has clear owners, budgets and success measures, and the board receives a single, honest view of progress.

Results

3-year
phased programme to a cloud-native platform
  • Agreed target architecture and business case
  • Phased plan that avoids a big-bang migration
  • Governance and reporting the board trusts
  • Faster release of new digital products

Technology used

  • Enterprise architecture
  • Cloud strategy
  • API-first design
  • Agile delivery
  • Programme governance

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